Home / 111,311.58-166,861.77-41,143.26

Finding the Fourth Proportional to 111,311.58, 166,861.77 and 41,143.26

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Solution

The fourth proportional to 111,311.58, 166,861.77 and 41,143.26 is: 61,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,311.58 : 166,861.77 = 41,143.26 : x
  2. Step 2: Convert to fraction form
    111,311.58/166,861.77 = 41,143.26/x
  3. Step 3: Cross multiply
    111,311.58x = 166,861.77 × 41,143.26
  4. Step 4: Simplify right side
    111,311.58x = 6,865,237,187.17
  5. Step 5: Solve for x
    x = 6,865,237,187.17/111,311.58
  6. Step 6: Final answer
    x = 61,675.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.